How do you know what atoms are convalant or ionic

1 answer:

7 0

ionic bond is formed when two oppositely charged ions attract one another.A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms.

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What does the most accurate clock tell us

Murrr4er [49]

It tell us the most accurate time u can get out of a clock

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4 years ago

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Carlos is making phosphorus trichloride using the equation below. He uses 15.5 g of phosphorus and collects 50.9 g of phosphorus

Oxana [17]

Answer : The mass of chlorine reacted with the phosphorus is, 53.25 grams.

Explanation :

First we have to calculate the moles of phosphorus.

$\text{Moles of phosphorus}=\frac{\text{Mass of phosphorus}}{\text{Molar mass of phosphorus}}$

$\text{Moles of phosphorus}=\frac{15.5g}{31g/mol}=0.5mol$

Now we have to calculate the moles of $Cl_2$

The balanced chemical reaction is:

$2P+3Cl_2\rightarrow 2PCl_3$

From the balanced chemical reaction, we conclude that

As, 2 moles of phosphorous react with 3 moles of $Cl_2$

So, 0.5 moles of phosphorous react with $\frac{3}{2}\times 0.5=0.75$ moles of $Cl_2$

Now we have to calculate the mass of $Cl_2$

$\text{Mass of }Cl_2=\text{Moles of }Cl_2\times \text{Molar mass of }Cl_2$

Molar mass of $Cl_2$ = 71 g/mol

$\text{Mass of }Cl_2=0.75mol\times 71g/mol=53.25g$

Therefore, the mass of chlorine reacted with the phosphorus is, 53.25 grams.

4 0

4 years ago

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Which of the following statements is not correct?

deff fn [24]

C. More than two electrons can be transferred in ionic bonds or shared in covalent bonds.

6 0

4 years ago

A chemist prepares a solution of barium chloride by measuring out of barium chloride into a volumetric flask and filling the fla

mezya [45]

The given question is incomplete. The complete question is:

A chemist prepares a solution of barium chloride by measuring out 110 g of barium chloride into a 440 ml volumetric flask and filling the flask to the mark with water. Calculate the concentration in mole per liter of the chemist's barium chloride solution. Round your answer to 3 significant digits.

Answer: Concentration of the chemist's barium chloride solution is 1.20 mol/L

Explanation:

Molarity of a solution is defined as the number of moles of solute dissolved per liter of the solution.

$Molarity=\frac{n\times }{V_s}$